You could say you watch the investment cycles of different asset classes and with low interest rates want to lock in as many at a low price while you can.

What should I watch out for and what are good things to look for before purchasing a property.

-the can and do turn off water quickly, i actually watched them install antenna yesterday in a midwest city to monitor usage more closely so they are watching and know what to do.  

Print out applications and get authorization from the potential tenant for a credit, criminal, identity and housing court check. 

Beware of their applications and all their screens, because they don't use SSL and score a 0 (zero) on my 'are you serious?'

So the question becomes what is 'reasonable' when it comes to allergies, which is likely dependent on the layout and unit mix of the property.A duplex with separate entrances and no common space; I would find it a stretch to say denying the applicant is any more unreasonable than if your neighbor got a dog.

@javier marchena   These aren't tenants or applicants, these are already established borrowers of the loan.

Read books on RE, watch videos and most of all NETWORK!!!

I really love it when people watch my videos and they say that it inspires or encourages them!

Not fully applicable to your post, but something to consider.